[ { "phenotype_id": "PH3584", "phenotype_version_id": 8672, "name": "Naproxen - low dose", "definition": "This codelist was taken from [OpenCodelists](https://www.opencodelists.org/), created by [OpenSAFELY](https://www.opensafely.org/). We recommend viewing this Phenotype on the OpenCodelist website to view the most recent version.\n\n\nThis is a list of [NHS dictionary of medicines and devices](https://ebmdatalab.net/what-is-the-dmd-the-nhs-dictionary-of-medicines-and-devices/) codes for low dose naproxen.\n\n\n© University of Oxford for the Bennett Institute for Applied Data Science 2025\\. This work may be copied freely for non\\-commercial research and study.\n\n", "implementation": null, "publications": null, "validation": null, "citation_requirements": null, "created": "2026-01-26T23:25:00.495481Z", "author": "OpenSAFELY", "collections": [ { "name": "OpenCodelist", "value": 31 }, { "name": "Phenotype Library", "value": 18 } ], "tags": null, "organisation": { "id": 1, "slug": "opensafely", "name": "OpenSAFELY" }, "world_access": 1, "updated": "2026-01-26T23:25:00.488079Z", "references": [ { "url": "https://github.com/opensafely/nsaids-research/issues/3", "title": "GitHub Discussion" }, { "url": "https://github.com/ebmdatalab/nsaid-covid-codelist-notebook/blob/master/notebooks/naproxen.ipynb", "title": "Jupyter Notebook" } ], "signed_off": [], "methodology": "This is a list of all AMPs and VMPs for oral preparations of 250mg strength.\n\n", "coding_system": [ { "name": "dm+d codes", "value": 23 } ], "open_codelist_id": "opensafely/naproxen-low-dose", "source_reference": "https://www.opencodelists.org/codelist/opensafely/naproxen-low-dose/2020-06-10", "concept_information": [ { "concept_id": 8849, "concept_version_id": 16334, "concept_name": "opensafely/naproxen-low-dose/2020-06-10", "coding_system": { "id": 23, "name": "dm+d codes", "description": "..." }, "phenotype_id": "PH3584", "phenotype_version_id": 8672, "phenotype_name": "Naproxen - low dose", "code_attribute_header": [ "id", "obj_type", "vpid", "bnf_code", "bnf_name", "form_route" ], "codes": [ { "code": "10396611000001103", "description": "Naproxen 250mg tablets (Arrow Generics Ltd)", "attributes": { "id": "10396611000001103", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "11426611000001106", "description": "Naproxen 250mg gastro-resistant tablets (Almus Pharmaceuticals Ltd)", "attributes": { "id": "11426611000001106", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "129111000001106", "description": "Naproxen 250mg gastro-resistant tablets (Accord Healthcare Ltd)", "attributes": { "id": "129111000001106", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "13581711000001101", "description": "Naproxen 250mg tablets (DE Pharmaceuticals)", "attributes": { "id": "13581711000001101", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "13845911000001109", "description": "Naproxen 250mg tablets (Almus Pharmaceuticals Ltd)", "attributes": { "id": "13845911000001109", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "150011000001103", "description": "Naproxen 250mg tablets (IVAX Pharmaceuticals UK Ltd)", "attributes": { "id": "150011000001103", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "15512111000001104", "description": "Feminax Ultra 250mg gastro-resistant tablets (Bayer Plc)", "attributes": { "id": "15512111000001104", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0BSAAAH", "bnf_name": "Feminax Ultra 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "16212811000001102", "description": "Naproxen 250mg gastro-resistant tablets (Ranbaxy (UK) Ltd)", "attributes": { "id": "16212811000001102", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "178811000001105", "description": "Naprosyn EC 250mg tablets (Atnahs Pharma UK Ltd)", "attributes": { "id": "178811000001105", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0BCAGAH", "bnf_name": "Naprosyn EC 250mg tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "17945511000001103", "description": "Naproxen 250mg gastro-resistant tablets (Phoenix Healthcare Distribution Ltd)", "attributes": { "id": "17945511000001103", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "18464611000001101", "description": "Naproxen 250mg tablets (Accord Healthcare Ltd)", "attributes": { "id": "18464611000001101", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "18627511000001101", "description": "Naproxen 250mg tablets (Phoenix Healthcare Distribution Ltd)", "attributes": { "id": "18627511000001101", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "19195411000001104", "description": "Naproxen 250mg tablets (Milpharm Ltd)", "attributes": { "id": "19195411000001104", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "20325711000001106", "description": "Naproxen 250mg gastro-resistant tablets (Genesis Pharmaceuticals Ltd)", "attributes": { "id": "20325711000001106", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "21817711000001100", "description": "Naproxen 250mg gastro-resistant tablets (Waymade Healthcare Plc)", "attributes": { "id": "21817711000001100", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "21818111000001100", "description": "Naproxen 250mg tablets (Waymade Healthcare Plc)", "attributes": { "id": "21818111000001100", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "28985211000001102", "description": "Naproxen 250mg tablets (Crescent Pharma Ltd)", "attributes": { "id": "28985211000001102", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "29928311000001106", "description": "Naproxen 250mg gastro-resistant tablets (Sigma Pharmaceuticals Plc)", "attributes": { "id": "29928311000001106", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "29928511000001100", "description": "Naproxen 250mg tablets (Sigma Pharmaceuticals Plc)", "attributes": { "id": "29928511000001100", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "30062411000001101", "description": "Naproxen 250mg gastro-resistant tablets (DE Pharmaceuticals)", "attributes": { "id": "30062411000001101", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "30849711000001108", "description": "Naproxen 250mg tablets (Mawdsley-Brooks & Company Ltd)", "attributes": { "id": "30849711000001108", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "31279811000001102", "description": "Stirlescent 250mg effervescent tablets (Stirling Anglian Pharmaceuticals Ltd)", "attributes": { "id": "31279811000001102", "obj_type": "amp", "vpid": "31306711000001103", "bnf_code": "1001010P0BXAABD", "bnf_name": "Stirlescent 250mg effervescent tablets", "form_route": "solution.oral" } }, { "code": "31306711000001103", "description": "Naproxen 250mg effervescent tablets sugar free", "attributes": { "id": "31306711000001103", "obj_type": "vmp", "vpid": "31306711000001103", "bnf_code": "1001010P0AABDBD", "bnf_name": "Naproxen 250mg effervescent tablets sugar free", "form_route": "solution.oral" } }, { "code": "329806007", "description": "Naproxen 250mg tablets", "attributes": { "id": "329806007", "obj_type": "vmp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "329838002", "description": "Naproxen 250mg gastro-resistant tablets", "attributes": { "id": "329838002", "obj_type": "vmp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "36011911000001106", "description": "Naproxen 250mg tablets (Genesis Pharmaceuticals Ltd)", "attributes": { "id": "36011911000001106", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "360911000001103", "description": "Naproxen 250mg tablets (Teva UK Ltd)", "attributes": { "id": "360911000001103", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "36597211000001105", "description": "Naproxen 250mg tablets (Bristol Laboratories Ltd)", "attributes": { "id": "36597211000001105", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "36736411000001102", "description": "Nexocin EC 250mg gastro-resistant tablets (Noumed Life Sciences Ltd)", "attributes": { "id": "36736411000001102", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0BYAAAH", "bnf_name": "Nexocin EC 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "36782111000001103", "description": "Naproxen 250mg gastro-resistant tablets (Sovereign Medical Ltd)", "attributes": { "id": "36782111000001103", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "367911000001102", "description": "Naproxen 250mg gastro-resistant tablets (A A H Pharmaceuticals Ltd)", "attributes": { "id": "367911000001102", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "37122511000001106", "description": "Naproxen 250mg gastro-resistant tablets (Mawdsley-Brooks & Company Ltd)", "attributes": { "id": "37122511000001106", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "37999211000001105", "description": "Naproxen 250mg gastro-resistant tablets (Medreich Plc)", "attributes": { "id": "37999211000001105", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "42107411000001102", "description": "VMP subsequent to 329838002", "attributes": { "id": "42107411000001102", "obj_type": "vmp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "42107511000001103", "description": "VMP subsequent to 329806007", "attributes": { "id": "42107511000001103", "obj_type": "vmp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "521711000001104", "description": "Naproxen 250mg tablets (Wockhardt UK Ltd)", "attributes": { "id": "521711000001104", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "5474911000001107", "description": "Naproxen 250mg gastro-resistant tablets (Kent Pharmaceuticals Ltd)", "attributes": { "id": "5474911000001107", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "547811000001102", "description": "Naproxen 250mg gastro-resistant tablets (Alliance Healthcare (Distribution) Ltd)", "attributes": { "id": "547811000001102", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "579011000001103", "description": "Naproxen 250mg gastro-resistant tablets (Sandoz Ltd)", "attributes": { "id": "579011000001103", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "603311000001104", "description": "Naproxen 250mg gastro-resistant tablets (Teva UK Ltd)", "attributes": { "id": "603311000001104", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "60511000001108", "description": "Naproxen 250mg tablets (Alliance Healthcare (Distribution) Ltd)", "attributes": { "id": "60511000001108", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "630611000001105", "description": "Naproxen 250mg tablets (Mylan)", "attributes": { "id": "630611000001105", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "687211000001104", "description": "Naproxen 250mg gastro-resistant tablets (Mylan)", "attributes": { "id": "687211000001104", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "764211000001103", "description": "Naproxen 250mg gastro-resistant tablets (IVAX Pharmaceuticals UK Ltd)", "attributes": { "id": "764211000001103", "obj_type": "amp", "vpid": "329838002", "bnf_code": "1001010P0AAAHAH", "bnf_name": "Naproxen 250mg gastro-resistant tablets", "form_route": "tabletgastro-resistant.oral" } }, { "code": "774811000001106", "description": "Naproxen 250mg tablets (Kent Pharmaceuticals Ltd)", "attributes": { "id": "774811000001106", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "86111000001104", "description": "Naproxen 250mg tablets (Actavis UK Ltd)", "attributes": { "id": "86111000001104", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "889911000001109", "description": "Naproxen 250mg tablets (A A H Pharmaceuticals Ltd)", "attributes": { "id": "889911000001109", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0AAADAD", "bnf_name": "Naproxen 250mg tablets", "form_route": "tablet.oral" } }, { "code": "894311000001106", "description": "Naprosyn 250mg tablets (Atnahs Pharma UK Ltd)", "attributes": { "id": "894311000001106", "obj_type": "amp", "vpid": "329806007", "bnf_code": "1001010P0BCAAAD", "bnf_name": "Naprosyn 250mg tablets", "form_route": "tablet.oral" } } ] } ], "coding_system_release": "", "open_codelist_version_id": "17820c17", "open_codelist_version_tag": "2020-06-10", "status": 1, "doi": "https://doi.org/10.48533/t6r1-jz41", "is_deleted": false, "publish_status": 2, "owner": "ieuan.scanlon", "template": { "id": 3, "name": "OpenCodelists Phenotype", "description": "OpenSafely's OpenCodelist Phenotype, visit https://www.opencodelists.org/ to learn more", "version_id": 1 }, "versions": [ { "version_id": 8672, "version_name": "Naproxen - low dose", "version_date": "2026-01-26T23:25:00.506473Z", "is_published": true, "is_latest": true } ] } ]